Senior systems administrator Work, Jobs in Great Dunmow, Ess (with Salaries)

Senior Systems Administrator
MAND CAPITAL —Witham
- £43,000 - £45,000 a year
- Full-time
- Azure
- AWS
- Analysis skills
- Health & wellbeing programme
- Annual leave
Quick apply
5d
Senior Administrator
Provide CIC —Chelmsford
- £25,760 - £27,476 a year
- Full-time
- Nursing home
- Microsoft Office
- Administrative experience
13d
SENIOR OFFICE ADMINISTRATOR
ZEL FOODS LIMITED —Harlow
- £24,420.00 - £39,445.55 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- English
Quick apply
Senior Azure Cloud Engineer
Solus Accident Repair Centres —Stansted
- £50,000 - £65,000 a year
- Full-time
- Azure
- SQL
- Scripting
- Employee discount
Senior Security Administrator
MBDA —Stevenage
- £32,000 a year
- Overtime
- Hybrid work
- Microsoft Office
- Travel
- Free parking
6d
Senior Administrator
WellCare Fostering Services Ltd —London
- From £25,000 a year
- Full-time
- Microsoft Excel
- Customer service
- Administrative experience
- Health & wellbeing programme
- Work from home
Quick apply
1d
Operations & Accounts Administrator
LMK Thermosafe Ltd —Haverhill
- £30,000 - £35,000 a year
- Full-time
- Microsoft Excel
- Customer service
- Administrative experience
- Life insurance
Quick apply
Senior Specialist, IBMi
SS&C Technologies —Basildon
- Full-time
- Hybrid work
- SQL
- Analysis skills
- Communication skills
Financial Services Administrator within IFA Firm - Senior
Eden IFA Ltd —Rayleigh
- £30,000 - £35,000 a year
- Full-time
- Customer service
- Microsoft Office
- Organisational skills
Quick apply
Senior Insolvency Administrator
FRP Advisory Group —Brentwood
- Full-time
- Microsoft Office
- Organisational skills
- Communication skills
Quick apply
Home Administrator
Chelmsford Manor Care Home —Chelmsford
- £17 an hour
- Full-time
- Front desk
- Paid training
- Annual leave
Quick apply
NetSuite Systems Technician
New Era Fuels —Harlow
- £75,000 - £80,000 a year
- Full-time
- Oracle
- ERP systems
- English
- Free parking
- Annual leave
Quick apply
3h
NetSuite Administrator
TTP —Cambridge
- Full-time
- No degree
- AI
- Life insurance
Quick apply
10d
Proposals Administrator - Enfield
Galldris —Enfield
- Microsoft Office
- Organisational skills
- IT
- Annual leave
- Employee assistance programme
Sr Administrator (Support & Operations)
HCLTech —Basildon
- Customer service
- English
- Linux
Part-Time HR Administrator
Gallagher —Chelmsford
- Part-time
- Hybrid work
- Oracle
- Microsoft Outlook
- Microsoft Office
- Employee stock purchase plan
- Life insurance
2d
Recruitment Administrator
Kennedys Law - UK —Chelmsford
- Full-time
- Human resources
- Organisational skills
- IT
Insolvency Administrator
FRP Advisory Group —Brentwood
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Senior Administrator/PA
Mid and South Essex NHS Foundation Trust —Basildon
- £28,392 a year
- Full-time
18h
Pensions Administrator
XPS Pensions Group —Chelmsford
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Employee discount
- Referral programme
6d

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Senior Systems Administrator

MAND CAPITAL
Witham

Quick apply

Job details

Permanent | Full-time
£43,000 - £45,000 a year
5 days ago

Benefits

Casual dress
Health & wellbeing programme
On-site gym
Employee mentoring programme
Financial planning services
Annual leave
Company pension
Company events
Employee assistance programme
Gym membership
Enhanced paternity leave
Life insurance
On-site parking

Qualifications

Microsoft Windows Server
TCP
Cloud infrastructure
System administration
Azure
Load balancing
Disaster recovery
Firewall
DHCP
AWS
Analysis skills
Virtualisation
Scripting
Computer networking
DNS
IT
VMWare
Linux
TCP/IP
Cybersecurity
Communication skills
PowerShell
Active Directory
High availability
VPN

Full job description

Location: London, England
Job Type: Full Time, Permanent
Experience Level: Senior

We are seeking an experienced Senior Systems Administrator to join our IT Infrastructure team in London. This is an excellent opportunity for a skilled infrastructure professional who is passionate about maintaining secure, reliable, and high performing enterprise systems while contributing to strategic technology initiatives.

As a Senior Systems Administrator, you will be responsible for managing critical infrastructure, supporting cloud and on premises environments, improving system performance, and ensuring the availability and security of business systems.

You will work closely with engineering, cybersecurity, and service delivery teams to deliver robust technology solutions that support business operations.

Key Responsibilities

Administer and maintain Windows Server and Linux server environments.
Manage Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and Microsoft 365 services.
Support virtualization platforms including VMware and Hyper V.
Monitor system performance, availability, capacity, and reliability across enterprise infrastructure.
Manage cloud infrastructure within Microsoft Azure or Amazon Web Services.
Implement security best practices, system hardening, patch management, and vulnerability remediation.
Perform server upgrades, software deployments, and infrastructure maintenance.
Develop and maintain PowerShell scripts to automate administrative tasks.
Configure and support backup, disaster recovery, and business continuity solutions.
Troubleshoot complex infrastructure, networking, and operating system issues.
Produce technical documentation, operational procedures, and infrastructure diagrams.
Collaborate with project teams on infrastructure upgrades, migrations, and technology implementations.
Mentor junior administrators and provide technical leadership across the IT team.

Requirements

Proven experience as a Senior Systems Administrator, Infrastructure Engineer, or similar senior level role.
Strong knowledge of Windows Server administration and enterprise infrastructure management.
Experience with Microsoft 365, Active Directory, Microsoft Entra ID, Group Policy, and Exchange Online.
Experience administering Azure or Amazon Web Services environments.
Strong understanding of virtualization technologies including VMware or Hyper V.
Knowledge of networking technologies including TCP/IP, DNS, DHCP, VPN, firewalls, and load balancing.
Experience with backup technologies, disaster recovery planning, and high availability solutions.
Proficiency in PowerShell scripting and automation.
Understanding of cybersecurity principles, identity management, and endpoint security.
Excellent troubleshooting, analytical, and communication skills.
Relevant certifications such as Microsoft Certified, VMware Certified Professional, Azure Administrator Associate, AWS Certified SysOps Administrator, or equivalent are desirable.
Eligibility to work in the United Kingdom.

What We Offer

Competitive salary.
Company pension scheme.
Generous annual leave entitlement.
Professional development and certification support.
Career progression opportunities.
Employee assistance programme.
Flexible working arrangements where business needs allow.
Collaborative and supportive working environment.

Equal Opportunity Employer

We are committed to creating a workplace where everyone feels valued and respected. We welcome applications from all qualified candidates regardless of age, disability, gender identity, marital status, race, religion, sex, sexual orientation, or any other characteristic protected by law. Employment decisions are based solely on skills, qualifications, experience, and business needs.

If you are an experienced infrastructure professional looking to work with modern enterprise technologies and contribute to the delivery of resilient IT services, we encourage you to apply today.

Pay: £43,000.00-£45,000.00 per year

Benefits:

Casual dress
Company events
Employee mentoring programme
Enhanced paternity leave
Financial planning services
Gym membership
Health & wellbeing programme
Life insurance
On-site gym
On-site parking

Work authorisation:

United Kingdom (required)

Work Location: In person

Quick apply

Refine Your Search

senior systems administrator jobs in great dunmow, ess

Senior Systems Administrator

Senior Administrator

SENIOR OFFICE ADMINISTRATOR

Senior Azure Cloud Engineer

Senior Security Administrator

Senior Administrator

Operations & Accounts Administrator

Senior Specialist, IBMi

Financial Services Administrator within IFA Firm - Senior

Senior Insolvency Administrator

Home Administrator

NetSuite Systems Technician

NetSuite Administrator

Proposals Administrator - Enfield

Sr Administrator (Support & Operations)

Part-Time HR Administrator

Recruitment Administrator

Insolvency Administrator

Senior Administrator/PA

Pensions Administrator

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